43314140212009 has 2 divisors, whose sum is σ = 43314140212010. Its totient is φ = 43314140212008.

The previous prime is 43314140212001. The next prime is 43314140212067. The reversal of 43314140212009 is 90021204141334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37365443601984 + 5948696610025 = 6112728^2 + 2438995^2 .

It is a cyclic number.

It is not a de Polignac number, because 43314140212009 - 2³ = 43314140212001 is a prime.

It is a super-2 number, since 2×43314140212009² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43314140212001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21657070106004 + 21657070106005.

It is an arithmetic number, because the mean of its divisors is an integer number (21657070106005).

Almost surely, 2^{43314140212009} is an apocalyptic number.

It is an amenable number.

43314140212009 is a deficient number, since it is larger than the sum of its proper divisors (1).

43314140212009 is an equidigital number, since it uses as much as digits as its factorization.

43314140212009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 43314140212009 in words is "forty-three trillion, three hundred fourteen billion, one hundred forty million, two hundred twelve thousand, nine".